id:A076671 - OEIS Search Results

Search: id:A076671

Displaying 1-1 of 1 results found.

page 1

Smallest a(n) > a(n-1) such that a(n)^2+a(n-1)^2 is a perfect square, with a(1)=5.

+0
3

5, 12, 16, 30, 40, 42, 56, 90, 120, 126, 168, 224, 360, 378, 504, 550, 1320, 1386, 1848, 1989, 2652, 2961, 3948, 5264, 8052, 9711, 12948, 17264, 24852, 31311, 41748, 53289, 71052, 94736, 130548, 145061, 146280, 153594, 163392, 170280, 173290 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`The sequence is infinite.`
	CROSSREFS	`Cf. A076600.` `Sequence in context: A078231 A008467 A076718 this_sequence A089988 A135459 A063297` `Adjacent sequences: A076668 A076669 A076670 this_sequence A076672 A076673 A076674`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Oct 25 2002`

page 1

Search completed in 0.004 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research